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Before Using
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Appropriate studies performed to date have not demonstrated pediatrics-specific problems that would limit the usefulness of liothyronine in children .
Geriatric
Appropriate studies performed to date have not demonstrated geriatrics-specific problems that would limit the usefulness of liothyronine in the elderly. However, elderly patients are more likely to have age-related kidney or heart problems, which may require adjustment of dosage in patients receiving liothyronine .
Pregnancy
| Pregnancy Category | Explanation | |
|---|---|---|
| All Trimesters | A | Adequate studies in pregnant women have not shown an increased risk of fetal abnormalities. |
Breastfeeding
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Drug Interactions
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Acenocoumarol
- Anisindione
- Dicumarol
- Kelp
- Phenindione
- Phenprocoumon
- Warfarin
Other Interactions
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Adrenal insufficiency (untreated) or
- Thyrotoxicosis (untreated; overactive thyroid)—This medicine should NOT be used in patients with any of these conditions .
- Clotting disorders or
- Diabetes or
- Heart disease (history of) or
- Hypogonadism (underactive ovary or testis) or
- Kidney problems (e.g., nephrosis) or
- Myxedema (skin or tissue disorder caused by hypothyroidism) or
- Other adrenal gland problems or
- Underactive pituitary gland—Use with caution. Dosage adjustment may be needed .
